Rear bumper for an automobile



FIG. 1 is a top, front and right side perspective view of a rear bumperfor an automobile showing my new design;

FIG. 2 is a bottom, front and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line showing of the rear bumper for an automobile is forpurpose of illustrating environmental structure and forms no part of theclaimed design.

The ornamental design for a rear bumper for an automobile, as shown anddescribed.